This site provides links to elementary information about cephalopods. Students and teachers will find links to the blue ring octopus, the giant squid, the cuttlefish, octopus and more.

Explore the world of the cuttlefish, a unique cephalopod. Students will gain a greater understanding of this mollusk through fun facts, information on the anatomy, diet, predators and more at this site.

Describes types of flatworms that are parasitic to humans and animals and what their life cycle looks like. Two or more hosts are needed for them to complete their life cycle.

Describes the basic characteristics of three of the major kinds of flatworms, including tapeworms, planarians, and flukes.